Questions tagged [charging]

For questions specifically about issues with battery charging or power supply.

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Galaxy S6 won't charge after drain to 0-1%, cannot boot

After letting my Galaxy S6 drain more than usual, I connected it to the fast charger a bit after it hit 1%, and left it for the night while still powered on. Next morning the phone was off. Powering ...
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1answer
172 views

Interchanging battery with a higher capacity battery

My Redmi 1s has a battery capacity 2050mAh (BM41). And the upgrade of the phone is Redmi 2 with capacity 2200mAh(BM44). Can I use this battery if it fits in my device? Will it creates any software ...
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1answer
53 views

Charging during filetransfer

I have recently upgraded my phone from Android 4.3 to 6.0 in my Sony Xperia M. I'm pretty confused by the new behavior. Whenever I plug the phone to the USB cable, it is detected in the computer as ...
4
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1answer
12k views

Where are the battery capacity files located?

Background My current device Huawei Honor 6 comes with a 3100 mAh battery. I was therefore surprised to see 3C Toolbox Pro report the capacity as 4000 mAh. I mailed the developer of the app and his ...
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3answers
3k views

Nexus 7 (2012) won't charge or start after a series of problems

A year or so ago, I bought an old Nexus 7 that was very slightly used (I took it off my girlfriend's hands). Everything worked fine, but I barely ever used it. Two days ago I broke it back out. I ...
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0answers
116 views

Why does my OnePlus One draw 60% more current if I turn off the screen AFTER plugging it in?

It's pretty simple: If I turn off the phone's screen and then connect the wall charger, the power supply draws ~6W from the wall, and this doesn't change if I keep waiting. If I connect the wall ...
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1answer
372 views

Does it hurt battery life to not fully charge and disconnect?

Dears, I think the question is quite clear from the title: if I charge my device and let it charge not fully but say, 60% and disconnect, does that hurt battery life? If so, what are the ranges you ...
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2answers
52 views

My tablet is not turning on

I have a tablet not two years old, a few days ago it was left in a hot truck for about two days. Now it won't go past "fast boot menu". I have tried everything, I even tried charging it and the ...
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2answers
142 views

How can I tell if I need to replace my battery?

I have a refurbished Galaxy S3. Sometimes it charges to 100% while powered off, but reports 51% as soon as I start it up. Lately, it goes down to 50% or lower even right after charging. I haven't ...
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1answer
74 views

Lost Android's OS

I bought a Moto G (1st gen). It was upgrading and had around 1% battery and was charging, but simultaneously I unplugged the charger and the mobile turned off and now it's not turning on. It's not ...
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0answers
2k views

alcatel onetouch FierceXL battery is draining too fast

I've only had my onetouch for 3 weeks now and all of a sudden the battery started draining rapidly, even when I plug it into the charger, and charging very slowly. If i use the phone at all when its ...
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3answers
91k views

Android phone “charging slowly”: How to make it faster

When I put my Android device to charge, the lock screen says "Charging slowly": Is it a particular software setting that tells Android to charge slowly? How to make Android charge fast?
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1answer
2k views

Will charging a phone with a different USB *cable* affect the battery life?

I recently realized that I've been using the wrong USB cable to charge my Moto X Play(2015) for probably a couple weeks. The phone is specifically designed to charge very quickly with its' default ...
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1answer
626 views

Entering recovery mode when plugging powered off tablet to charger

I installed Philz Touch 6.59.0 (ClockworkMod 6.0.5.1) in my Samsung Galaxy Tab 4 7" Wifi (SM-T230) and modified the /system/bin/lpm (also called playlpm in other devices) to reboot the device as soon ...
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1answer
3k views

How to charge a newly bought Nexus 5X(lithium polymer)? [duplicate]

I just bought a new Nexus 5X, how should I first charge it? (It's a lithium polymer battery) I plugged it in the charger and the phone turned on. Phone almost had a full charge already though (out of ...
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1answer
419 views

Why do charging rates differ for similar spec USB power adaptors?

I've been experimenting with using USB power adaptors other than the one supplied with the Android tablet and I'm struggling to understand why adaptors of a similar spec to the original are charging ...
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2answers
2k views

s6 won't fast charge or connect to pc

so i have an at&t s6. suddenly stopped fast charging. and when i say "stopped fast charging," i mean charges slower than molasses now. takes literally about 4hrs to charge from 80% to 100%. ...
2
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1answer
6k views

Nexus 6P charges slowly on stock 6P charger, but 5X charges rapidly

TL;DR: My wife's LG Nexus 5X has no issue charging with her LG charger or my Huawei charger. My Huawei Nexus 6P charges slowly with the Huawei charger but at full speed with the LG charger. Is there ...
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1answer
254 views

Samsung mobile not getting charge when switch on

I am using SAMSUNG DUOS2. Its not getting charge when its switched on. But there is no problem in charging when switched off. Not charging in both I tried USB as well as wall charger. Android ver : ...
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1answer
244 views

Samsung Galaxy S3 LTE Bricked and not charging (gray battery)

Some time ago i had problem with my Samsung S3 LTE, namely, after some time the phone started to flash screen, lose signal and finally crash. The problem lasted about 2 months but I belittled it and ...
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1answer
624 views

WiFi only working while charging the phone

I am being experiencing this very strange issue in the last couple days. I have a Samsung Galaxy S3 Mini with an (unofficial) build of Cyanogenmod 11. Is has been working fine for the last year with ...
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2answers
9k views

What to do after replacing the phone's battery?

I have a Nexus 5 (1.5yo; I know, it's old but still worthy!) and the boy was heavily suffering from short battery discharges. I'm a phone heavy user so I figured out I had depleted the battery's life, ...
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2answers
744 views

Battery charging time calculation

One of the very useful feature of Android version 5.0 Lollipop is that it shows how much time is left for the charging to be completed. How is the time for the device to get fully charged determined?
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1answer
23k views

Fast Charging by Qualcomm 3.0- impact on battery?

I am thinking of buying HTC one A9 My only concern is with fast charging . I have read this thread How does fast charging work? and understood the downside is mainly on battery life. Accepted answer ...
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1answer
1k views

Android definition of charge cycle?

Battery life is measured in number of charge-discharge cycles. Charge Cycle wiki says Apple Inc. clarifies that a charge cycle means using all the battery's capacity, but not necessarily by full ...
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1answer
167 views

Nexus 6 Powered On Strangely

Earlier today, when trying to power on my Nexus 6, I had a strange thing happen. I normally power on my phone when it is still plugged in to the charger, and I tried doing that today, but after ...
3
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1answer
3k views

Prevent USB data transfer (when phone is in use) and being charged

I would like to know how to protect my data when I use public battery charger in public places. I know that if I do not unlock my screen when charging, my data is safe, but what if I would like to ...
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0answers
557 views

Tasker profile that switches network to 2G when the phone is charging

I would really appreciate it if someone could whip up a nice Tasker profile which switches network mode to 2G immediately my rooted OnePlus 2 detects a charge state. A drawback of OnePlus 2 is the ...
2
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1answer
82 views

Initial Charge Problems

I bought my Android last January and I forgot to charge it for 8 hours. What will be the effect on my Android and battery life? ( battery type is Lithium Polymer)
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1answer
3k views

MOTO E not turning on after upgrade

Run the update on my moto e yesterday, and after installation, it shut itself off an couldnt turn it on again. I got 1 or 2 blink led while pressing power for 10 seconds (this only if it is plugged), ...
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1answer
408 views

Samsung Galaxy GT-P7510 won't charge

I have a Samsung Galaxy Tab GT-P7510/M32 32 GB. I can't get it to charge. I plugged charger in one time and showed the battery was empty and had a yellow triangle with exclamation point point in it. I ...
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1answer
96 views

Charging works well with new USB cables only

When trying to charge my android devices (Arc S and Nexus 7 (2013)), I noticed that when using new USB-cables, the charging process is going quite fast, but after some weeks (usually four-five) the ...
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1answer
343 views

How do I select a non-OEM charger for my device?

My Nexus 5 D821 (2014)'s original charger started failing to charge the phone since last week. There are 1.8A & 1.2A LG OEM chargers available in ebay.com. Is it okay to use the 1.8A charger? or ...
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1answer
2k views

Powering Samsung J7 using an external DC power supply

I would like to turn on Samsung J7 using an external power supply. The problem is that it uses 4 pin (+,*,-,*) to connect to its battery. The first pin is the positive and the third one is the ...
3
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1answer
4k views

USB charger produces high-pitched noise while the battery is full

I have Nexus 5 and I recently bought the European version of the PowerCube, which combines three power outlets with two USB chargers. I noticed that as soon as my smartphone's battery is full, it ...
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2answers
3k views

Xiaomi Redmi 2 Pro Battery Issues

I have a Redmi 2 Pro, and it works fine, except for some issues with the battery. If I charge it to 100% before I disconnect the charger and go to sleep, by the morning it may go down only to 98%, but ...
2
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0answers
110 views

Phone doesn't charge via USB while on

I'm trying to figure out a charging issue with my Nexus 6 (Marshmallow 6.0.1). While I'm in Windows (10) and the phone is on, it won't charge over USB. If I turn off the phone it charges via USB. If ...
7
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1answer
326 views

Do modern Android devices regulate AC mains power similar to a laptop?

There have been a lot of discussions about lithium-ion battery life across the internet. However, within these discussions I have found contradictory details about the way power is regulated between ...
2
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10answers
19k views

Can't charge/power on Nook HD+

The device won't power on. The screen and status light show no indication of activity when pressing or holding the power button (or any button / pairwise combination of buttons for that matter). The ...
5
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3answers
5k views

What is the standard voltage and current levels for an android battery?

I am using Micromax Canvas Nitro A310; recently, I bought a new USB cable and it seems its not doing the job as required. My phone is not getting charged as it was before. Either it takes too long ...
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2answers
7k views

How to connect Samsung J7 via USB but disable charging?

I would like to know if is it possible to connect my smartphone to a pc via USB without charging it? It would be very useful to be able to disable charging (but still allow USB tethering, ADB ...
2
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2answers
282 views

How to prevent brightness when battery reaches high?

I leave my phone (Samsung Galaxy 4 GT-I9506, Android 5.0.1 lollipop) charging on my table when going to sleep. It reaches full after some hours often. It is so annoying when the display becomes bright ...
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1answer
10k views

is fully charging new phones before turning it on a must? [closed]

I just got my Samsung note 5 shipped to my office. And I am wondering if I should charge it full before I turned it on
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3answers
2k views

Charge and USB keyboard through 1 USB port

I have a Samsung Tab E that only has one USB port. Can I charge the tablet and have a USB keyboard attached at the same time? I've tried a 3-way cable ( link to Amazon ) but it supplies power to the ...
2
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1answer
1k views

Device uses non-USB charger. Can I still charge it through the USB port?

I got a Polaroid L9H tablet for Christmas, which includes a carrying case with built-in USB keyboard. I assume that it is for this reason that the tablet was designed with a barrel connector for its ...
3
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2answers
5k views

Does a phone's battery charge when in download mode?

I bricked my SM-J500G when trying to root the phone. Now I'm trying to install the stock ROM. The problem is that my phone's battery is low, and I have no way to charge it in another phone. Can I put ...
2
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0answers
356 views

How to boot my Samsung Galaxy S4 mini when wall charger is plugged

I am Developing an Android Application, here i want my phone to start booting automatically when the phone is plugged into any power outlet without hitting any power button.I found many solutions and ...
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1answer
920 views

Samsung Galaxy Note 10.1 charging paused, battery temperature low

I have a new Samsung Galaxy Note 10.1. I recently bought it online. It was working fine, but now the tablet is not charging and keeps giving the error 'battery temperature low'. I tried charging it by ...
7
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1answer
2k views

Battery Stats Are Vastly Incorrect

After updating to 6.0.1 (MMB29K) from 6.0.0 (MRA58R) I have come to face a very odd and never seen before issue. My battery stats are wildly wrong. My stats show 4k% or higher and no battery stat ...
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1answer
165 views

Android phone is turned off at 52% battery

I have got a Samsung Galaxy Grand Neo Plus with Android 4.4.4. When the phone reaches the 52%, it turns off and I can't turn on it again because the battery is at 0%! I think this could help: When I ...